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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2011 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: ListableHashSet.html 689 2013-06-28 19:22:16Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.dellroad.stuff.jibx;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.util.Collection;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import java.util.LinkedHashSet;<a name="line.11"></a>
<span class="sourceLineNo">012</span><a name="line.12"></a>
<span class="sourceLineNo">013</span>import org.jibx.runtime.JiBXException;<a name="line.13"></a>
<span class="sourceLineNo">014</span><a name="line.14"></a>
<span class="sourceLineNo">015</span>/**<a name="line.15"></a>
<span class="sourceLineNo">016</span> * {@link java.util.Set} implementation with these properties which make it suitable for use with JiBX:<a name="line.16"></a>
<span class="sourceLineNo">017</span> * &lt;ul&gt;<a name="line.17"></a>
<span class="sourceLineNo">018</span> * &lt;li&gt;Iteration order reflects addition order (this property is inherited from {@link LinkedHashSet})&lt;/li&gt;<a name="line.18"></a>
<span class="sourceLineNo">019</span> * &lt;li&gt;An {@link #addUnique} method that throws {@link JiBXException} if the item is already in the set<a name="line.19"></a>
<span class="sourceLineNo">020</span> *  (suitable for use as a JiBX {@code add-method})&lt;/li&gt;<a name="line.20"></a>
<span class="sourceLineNo">021</span> * &lt;/ul&gt;<a name="line.21"></a>
<span class="sourceLineNo">022</span> *<a name="line.22"></a>
<span class="sourceLineNo">023</span> * @since 1.0.64<a name="line.23"></a>
<span class="sourceLineNo">024</span> */<a name="line.24"></a>
<span class="sourceLineNo">025</span>@SuppressWarnings("serial")<a name="line.25"></a>
<span class="sourceLineNo">026</span>public class ListableHashSet&lt;E&gt; extends LinkedHashSet&lt;E&gt; {<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>    public ListableHashSet() {<a name="line.28"></a>
<span class="sourceLineNo">029</span>    }<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>    public ListableHashSet(Collection&lt;? extends E&gt; c) {<a name="line.31"></a>
<span class="sourceLineNo">032</span>        super(c);<a name="line.32"></a>
<span class="sourceLineNo">033</span>    }<a name="line.33"></a>
<span class="sourceLineNo">034</span><a name="line.34"></a>
<span class="sourceLineNo">035</span>    public ListableHashSet(int initialCapacity) {<a name="line.35"></a>
<span class="sourceLineNo">036</span>        super(initialCapacity);<a name="line.36"></a>
<span class="sourceLineNo">037</span>    }<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span>    public ListableHashSet(int initialCapacity, float loadFactor) {<a name="line.39"></a>
<span class="sourceLineNo">040</span>        super(initialCapacity, loadFactor);<a name="line.40"></a>
<span class="sourceLineNo">041</span>    }<a name="line.41"></a>
<span class="sourceLineNo">042</span><a name="line.42"></a>
<span class="sourceLineNo">043</span>    /**<a name="line.43"></a>
<span class="sourceLineNo">044</span>     * Add an item to a set while verifying that the item is not already in the set.<a name="line.44"></a>
<span class="sourceLineNo">045</span>     *<a name="line.45"></a>
<span class="sourceLineNo">046</span>     * @throws JiBXException if item is already in the set<a name="line.46"></a>
<span class="sourceLineNo">047</span>     */<a name="line.47"></a>
<span class="sourceLineNo">048</span>    public void addUnique(E item) throws JiBXException {<a name="line.48"></a>
<span class="sourceLineNo">049</span>        if (this.contains(item))<a name="line.49"></a>
<span class="sourceLineNo">050</span>            throw new JiBXException("duplicate item in set: " + item);<a name="line.50"></a>
<span class="sourceLineNo">051</span>        this.add(item);<a name="line.51"></a>
<span class="sourceLineNo">052</span>    }<a name="line.52"></a>
<span class="sourceLineNo">053</span>}<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>




























































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